Bottle capsule



S. HOOD BOTTLE CAPSULE July 31,1951

2 Sheets-Sheet 1 Filed Jan. 28, 1949 ATTORN INVENTOR STEWART HOOD jQtZm s. HOOD BOTTLE CAPSULE July 31, 1951 2 Sheet's-Sheet 2 Filed Jan. 28, 1949 i ENTOFi STEWART HOOD Wmfimf ATTORN Patented July 31, 1951 iv UNETED 'S l'ATES PATEN r-osncr:

256-2923 I no'rrrzn CAP UL -Stewart Hood, Montreal, Quebec, Canada, as

.signor to The .Montreal Lithographing Com pany Limited, Montreal Quebec, Canada I a Application January 28, 1949; S erial No." 7 3, 3 1 5 '1 Claim, (01. 93:49.1) 7

This invention relates to improvements in paper capsules used on the tops of whisky bottles and the like and to an improved method of producing same.

The conventional paper capsule of the type to which the present invention relates comprises a sleeve-like skirt portion closed at its upper end by a disk adhesively secured to inturned tongues formed integral with the upper end of the skirt portion. The skirt portion is coated over its entire inner surface with a suitable adhesive by which it is adhesively secured to the neck of the bottle. The skirt portion is usually weakened for tearing purposes by a line of perforations extending around the skirt portion at some distance from its upper ends. These perforations are designed to facilitate separation of the closure disk and the upper part of the skirt portion of the capsule from the lower part of the skirt portion when the bottle is to be opened.

The difiiculty with the conventional capsule is that the skirt portion lying above the line of weakening perforations is adhesively coated and sticks to the bottle neck with the result that it is frequently impossible to achieve the desired clean tearing of the skirt portion along the line of the weakening perforations provided for this purpose.

With the foregoing in mind one object of the present invention is the provision of an improved form of bottle capsule having a non-tacky layer of coating material completely covering the adhesively coated inner surface of that portion of the finished capsule which lies above the line of weakening perforations and is exposed for contact with the neck of the bottle, said nonv tacky coating consisting of commercial ink, varnish, or any other suitable material of an oily nature which dries to a non-tacky water resistant and water impermeable condition and which elfectively prevents adhesion between the bottle neck and that portion of the capsule which lies above the line of weakening perforations.

Another object of the invention is to provide a method whereby improved capsules of the type contemplated by this invention may be rapidly and economically produced.

A preferred embodiment of the invention is shown in the accompanying drawings, in which- Fig. l is a plan view showing the manner in which the skirt portions of my improved capsules are printed or lithographed on one side of a sheet of paper having the entire area of its opposite side covered by adhesive.

Fig. 2 is a plan view of the adhesively coated side of the sheet appearing in Fig. 1, the contours of the skirt portion of the capsule printed on said sheet being'indicated by dotted lines.

Fig.3 is aview similar to Fig. 2 but showing the mannerin which a non-tacky coating or sealing material is applied over selected areas of the adhesively coated side of the sheet so that when the skirt portions of the capsules are cut fromthe sheet and formed into a tube the upper portionof each tube will be covered on the adhesively coated side with a non-tacky coating which is water resistant and water impermeable and will not stick to the bottle neck when the capsule is applied. 1 1

i Fig. 4 is a plan view showing the manner in which individual skirt blanks are cut from the sheet shown in Fig. 3.

Fig. 5 is a vertical sectional view of a capsule having the skirt portionformed by a rolled blank of the type shown in Fig. 3.

Fig. 6 is an enlarged transverse sectional view takensubstantially along the line E-6 of Fig. 5 and shows the manner in which the upper end of the skirt portion is closed by a disk adhesively secured to inturned tongues formed integral with the upper end of the skirt portion.

In the production of paper capsules of the type to which the present invention relates the skirt portions 5 of the capsules are usually printed or lithographed on one side of a sheet of paper 6 as shown to advantage in Fig. 1 and the opposite side of the sheet is completely covered by adhesive at l, in Fig. 2. The skirt portions 5 of the capsules are cut from the sheet and notched at their upper ends to provide a plurality of tongues 8 as shown to advantage in Fig. 4. The ends of the skirt portion 5 are then secured together as shown in Fig. 5 to form a sleeve or tube with the upper ends of the tongues 8 turned inwardly to provide for the attachment of the covering disk 9 which is adhesively secured to said tongues to close the upper end of the tubular skirt portion.

At this point it may be explained. that, for manufacturing purposes, the unprinted side of the coated sheet 6 on which the skirt portion 5 of the capsules are printed or lithographed must be coated with adhesive over its entire area since selective application of adhesive to diiferent portions of the back of the sheet on which the skirt portions are printed or lithographed is not commercially feasible.

The novel feature of the present invention resides in the application of a layer 12 of nontacky coating or sealing material to that portion of the adhesively coated inner side of the skirt portion 5 which, as shown in Figs. 4 and 5, lies above a line of perforations 13 along which plied to selected areas of the sheet 6 so that each coating I2 partially covers that portion of the adhesive side of the sheet which forms the back of the upper part of the skirt portion 5 which, as shown in Fig. 4 and 5, lies above the line of perforations I3. The selected areas on the adhesively coated side of the sheet 6 to which method steps comprising printing the skirt portions of a plurality of capsules on one side of a sheet of paper having the entire area of the opposite side coated with adhesive, applying a covering layer of non-tacky material to each of a plurality of selected areas of the adhesively coated side of the printed portions of the sheet, the areas to which the covering layers of nontacky material are applied being predetermined so that each of said layers is applied to a por- .tion of the sheet which forms the upper portion of one of said printed skirt portions, cutting the skirt portions from the sheet providing each skirt portion with a row of perforations located below and adjacent the non-tacky coating of said skirt portion, securing the ends of each skirt portion together to form a sleeve or tube,

the non-tacky coating layers 12 are applied are predetermined by suitable registering mechanism so that each coating 12 will cover the back of the upper portion of one of the capsule skirts printed or lithographed on the opposite side of the sheet. As previously stated, the non-tacky coating [2 of each capsule prevents the tongues 8 and the portion of the skirt lying above the perforations [3 from sticking to the neck of the bottle and enables the disk 9 and upper part of the skirt portion to be cleanly torn away from the lower part of the skirt portion along the weakening perforations l3 to provide a clean pouring opening when the bottle to which the capsule is applied is being opened.

Having thus described the nature of my invention and a preferred embodiment thereof, it will be understood that various modifications may be resorted to within the scope and spirit of the invention as defined by the appended claim.

I claim:

In the production of bottle capsules, the

and adhesively securing a covering disk to the upper end of said tube.

STEWART HOOD.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 353,751 Lawson Dec. 7, 1886 1,038,023 Switzer Sept. 10, 1912 1,280,853 Rosenfeld Oct. 8, 1918 1,446,094 Jackson Feb. 20, 1923 1,827,636 Ames Oct. 13. 1931 1,950,279 Van Wirt Mar. 6,1934 1,958,256 Yates May 8, 1934 1,997,257 Hamersley Apr. 9. 1935 2,086,126 Gilchrist July 6, 1937 2,151,508 Glenksy Mar. 31, 1939 2,353,332 Hall July 11, 1944 2,371,372 Weiner Mar. 13, 1945 2,406,287 Grimshaw Aug. 20. 1946 

